Period of activity
4
1000
2
1100
44
1200
1210
1
1220
1230
1240
2
1250
1260
1270
1
1280
1290
8
1300
1
1310
1320
1
1330
1340
3
1350
1360
1370
1
1380
4
1390
98
1400
1
1450
1
1460
2
1470
2
1480
1
1490
60
1500
1510
1
1520
1
1530
3
1540
1
1550
3
1560
2
1570
4
1580
3
1590
77
1600
8
1610
14
1620
11
1630
8
1640
10
1650
10
1660
14
1670
11
1680
8
1690
103
1700
17
1710
18
1720
33
1730
73
1740
23
1750
36
1760
147
1770
178
1780
403
1790
604
1800
478
1810
419
1820
503
1830
497
1840
363
1850
559
1860
939
1870
748
1880
138
1890
402
1900
671
1910
190
1920
225
1930
154
1940
140
1950
151
1960
169
1970
273
1980
132
1990
66
2000
6
2010
3
2020
⋯
⋯
⋯
