1. how much; how many; how; to what extent (Usually kana, esp. used in Kansai)

2. however (much); no matter how (Usually kana, as なんぼ...〜ても, なんぼ...〜でも, etc.)

3. what matters is ...; it all comes down to ...; nothing beats ... (Usually kana, as 〜てなんぼ)