2.1
2.2
2.2
2.3
2.4
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.6
2.8
2.9
2.98
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3