Year	NumberOfFiresPerDecade
1400	0
1410	0
1420	0
1430	1
1440	3
1450	0
1460	2
1470	1
1480	2
1490	2
1500	0
1510	2
1520	3
1530	0
1540	2
1550	2
1560	2
1570	2
1580	4
1590	2
1600	2
1610	2
1620	2
1630	2
1640	1
1650	2
1660	2
1670	3
1680	3
1690	5
1700	3
1710	3
1720	1
1730	4
1740	4
1750	3
1760	2
1770	3
1780	3
1790	4
1800	4
1810	3
1820	2
1830	3
1840	2
1850	6
1860	2
1870	3
1880	0
1890	4
1900	2
1910	3
1920	5
1930	4
1940	6
1950	3
1960	1
1970	0
1980	2
1990	0
2000	1
2010	1
2020	0