<?xml version="1.0" encoding="windows-1251"?>
<Реестр>
    <Строка>
        <C_CNT>3</C_CNT>
        <C_NAZN> SUM: 0; INS_SUM: 0; SUM_1_1: 0; SUM_2_1:
            0; SUM_3_1: 0; SUM_4_1: 0; SUM_5_1: 0; MONTH_2: АПРЕЛЬ.2017; SUM_1_2: 1; INS_SUM_1_2:
            73.87; SUM_2_2: 0; SUM_3_2: 7; SUM_4_2: 0; SUM_5_2: 0; SUM_1_3: 0; SUM_2_3: 0; SUM_3_3:
            0; SUM_4_3: 0; SUM_5_3: 0; SUM_1_4: 0; SUM_2_4: 0; SUM_3_4: 0; SUM_4_4: 0; SUM_5_4: 0;
            MONTH_5: ЯНВАРЬ.2017; SUM_1_5: 1; INS_SUM_1_5: 0.00; SUM_2_5: 0; SUM_3_5: 0; SUM_4_5: 0;
            SUM_5_5: 0; SUM_1_6: 0; SUM_2_6: 0; SUM_3_6: 0; SUM_4_6: 0; SUM_5_6: 0; CNT: 3;</C_NAZN>
    </Строка>
    <Строка>
        <C_CNT>2</C_CNT>
        <C_NAZN> SUM: 0; INS_SUM: 0; SUM_1_1: 0; SUM_2_1:
            0; SUM_3_1: 0; SUM_4_1: 0; SUM_5_1: 0; MONTH_2: АПРЕЛЬ.2017; SUM_1_2: 3; SUM_2_2: 0;
            SUM_3_2: 3; SUM_4_2: 0; SUM_5_2: 0; SUM_1_3: 0; SUM_2_3: 0; SUM_3_3: 0; SUM_4_3: 0;
            SUM_5_3: 0; SUM_1_4: 0; SUM_2_4: 0; SUM_3_4: 0; SUM_4_4: 0; SUM_5_4: 0; MONTH_5:
            ЯНВАРЬ.2017; SUM_1_5: 0; SUM_2_5: 0; SUM_3_5: 0; SUM_4_5: 0; SUM_5_5: 0; SUM_1_6: 0;
            SUM_2_6: 0; SUM_3_6: 0; SUM_4_6: 0; SUM_5_6: 0; CNT: 2;</C_NAZN>
    </Строка>
    <Строка>
        <C_CNT>1</C_CNT>
        <C_NAZN> SUM: 2; INS_SUM: 0;
            SUM_1_1: 0; SUM_2_1: 0; SUM_3_1: 0; SUM_4_1: 0; SUM_5_1: 0; SUM_1_2: 0; SUM_2_2: 0;
            SUM_3_2: 0; SUM_4_2: 0; SUM_5_2: 0; SUM_1_3: 0; SUM_2_3: 0; SUM_3_3: 0; SUM_4_3: 0;
            SUM_5_3: 0; SUM_1_4: 0; SUM_2_4: 0; SUM_3_4: 0; SUM_4_4: 0; SUM_5_4: 0; SUM_1_5: 0;
            SUM_2_5: 0; SUM_3_5: 0; SUM_4_5: 0; SUM_5_5: 0; SUM_1_6: 0; SUM_2_6: 0; SUM_3_6: 0;
            SUM_4_6: 0; SUM_5_6: 0; CNT: 1;</C_NAZN>
    </Строка>
</Реестр>

                            <xsl:call-template name="get_valid_registry_sum">
                                <xsl:with-param name="element_name" select="'C_CNT'"/>
                            </xsl:call-template>

                            <xsl:call-template name="get_valid_registry_sum2">
                                <xsl:with-param name="element_name" select="'C_NAZN'"/>
                                <xsl:with-param name="str_name" select="'CNT'"/>
                            </xsl:call-template> 


   <xsl:template name="get_valid_registry_sum">
        <xsl:param name="element_name"/>    
        <xsl:value-of select="format-number((sum(//Строка/*[name()=$element_name]) div 100) * 100, '0.00')"/>
    </xsl:template>
    
    <xsl:template name="get_valid_registry_sum2">
        <xsl:param name="element_name"/>   
        <xsl:param name="str_name"/>
        
        <xsl:value-of select="format-number(
                                            (sum(
                                                    substring-before(
                                                                        substring-after(//Строка/*[name()=$element_name]
                                                                                        ,concat($str_name,':')
                                                                                        )
                                                                        ,';'
                                                                    )
                                                 ) div 100
                                             ) * 100
                                             , '0.00'
                                           )"/>
    </xsl:template>

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
    <root>
        <xsl:call-template name="sum-nodes" >
            <xsl:with-param name="nodes" select="//Строка/C_NAZN" />
            <xsl:with-param name="str_name" select="'CNT'"/>
        </xsl:call-template>
        
    </root>
</xsl:template>
            
    <xsl:template name="sum-nodes" >
        <xsl:param name="nodes"/>
        <xsl:param name="str_name"/>
        <xsl:param name="sum" select="0"/>
        <xsl:param name="newSum" select="$sum + number(substring-before(substring-after($nodes[1],concat($str_name,':')),';'))"/>
        <xsl:choose>
            <xsl:when test="count($nodes) > 1">
                <!-- recursive call --> 
                <xsl:call-template name="sum-nodes" >
                    <xsl:with-param name="nodes" select="$nodes[position() > 1]" />
                    <xsl:with-param name="str_name" select="$str_name" />
                    <xsl:with-param name="sum" select="$newSum" />
                </xsl:call-template>
            </xsl:when>
            <xsl:otherwise>
                <xsl:value-of select="format-number($newSum, '0')"/>
            </xsl:otherwise>
        </xsl:choose>
    </xsl:template>

</xsl:stylesheet>