Where is the spot-kick most common?

Penalties converted per match. Not how many were awarded — the record does not hold the misses reliably — but how many were scored.

Portekiz Süper Ligi (Portekiz) sees most: 0,367 penalties converted a match.

Where is the spot-kick most common?
League	Scored per match	Matches
1. Portekiz Süper Ligi Portekiz	0.367	221
2. Serie A İtalya	0.283	357
3. A-League Avustralya	0.269	130
4. Belçika Birinci Ligi Belçika	0.253	281
5. 2. Bundesliga Almanya	0.249	273
6. Süper Lig Türkiye	0.248	270
7. Eredivisie Hollanda	0.237	299
8. UEFA Şampiyonlar Ligi Uluslararası	0.232	198
9. La Liga İspanya	0.23	348
10. Bundesliga Almanya	0.218	293
11. Premier Lig İngiltere	0.207	353
12. Avusturya Bundesliga Avusturya	0.205	171
13. Championship İngiltere	0.196	516
14. Major League Soccer Amerika Birleşik Devletleri	0.189	318
15. Ligue 2 Fransa	0.188	346
16. FA Cup İngiltere	0.183	175
17. Yunanistan Süper Ligi Yunanistan	0.181	293
18. Serie A Brezilya	0.179	308
19. J. Ligi Japonya	0.173	289
20. Premier Lig İskoçya	0.167	215

Showing the major competitions. Include every competition

Shootouts excluded. A missed penalty is recorded only sometimes, so awards cannot be counted here at all.