Each.Count how to display count values

Hi guys , i’m wondering how can i get the count values of a Each.Count method.

<StackPanel>
    <Each Count="20">
        <Text>No is is given</Text>
    </Each>
</StackPanel>

i want this kind of result for each text

No is is given 1.
No is is given 2.
No is is given 3...