Done, there is something like this, but seems be a kind of verification code that i can't import manually (es: wpcf-fields-select-option-6ee8e1219537b007f4fcf2028336a2fe-2)
<options>
<wpcf-fields-select-option-6ee8e1219537b007f4fcf2028336a2fe-2>
<title>Pavia e provincia</title>
<value>0</value>
</wpcf-fields-select-option-6ee8e1219537b007f4fcf2028336a2fe-2>
<default>wpcf-fields-select-option-6ee8e1219537b007f4fcf2028336a2fe-2</default>
<wpcf-fields-select-option-4fbf824f72351c02518b9d95283486bf-1>
<title>Lombardia</title>
<value>1</value>
</wpcf-fields-select-option-4fbf824f72351c02518b9d95283486bf-1>
<wpcf-fields-select-option-273a1f7d96a92cde12b1f1b175cfaf19-1>
<title>Fuori Lombardia</title>
<value>3</value>
</wpcf-fields-select-option-273a1f7d96a92cde12b1f1b175cfaf19-1>
</options>