Table:
text: Demographics of Gibraltar
Vital statistics
Vital statistics
Average_population Live_births Deaths Natural_change Crude_birth_rate_per_1000 Crude_death_rate_per_1000 Natural_change_per_1000
29 000 581 244 337 20.0 8.4 11.6
29 600 536 244 292 18.1 8.2 9.9
29 000 575 204 371 19.8 7.0 12.8
29 700 525 231 294 17.7 7.8 9.9
30 000 510 253 247 17.0 8.8 8.2
30 100 506 248 258 16.8 8.2 8.6
29 400 520 253 267 17.7 8.6 9.1
29 700 472 257 215 15.9 8.7 7.2
29 700 550 282 268 18.5 9.5 9.0
29 700 511 231 280 17.2 7.8 9.4
29 500 566 223 343 19.2 7.6 11.6
29 100 510 252 258 17.5 8.7 8.9
28 800 506 265 241 17.6 9.2 8.4

Question: What is the largest crude birth rate among Gibraltar demographics if the natural change is 215 at a rate greater than 7.2?