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Table 1.

Year-wise distribution of CMEs, type II radio bursts, and their association.

Year CMEs % CMEs Type IIs % Type IIs Type IIs % Type IIs Type IIs % Type IIs
with CMEs with CMEs without CME without CME
Total 30 125 100.0% 1203 100.0% 1024 85.2% 179 14.8%

1996 206 1.5% 4 0.5% 2 0.3% 2 1.2%
1997 385 2.7% 21 2.7% 16 2.6% 5 3.1%
1998 716 5.1% 60 7.8% 24 3.9% 36 22.6%
1999 1016 7.2% 100 13.0% 75 12.3% 25 15.7%
2000 1664 11.9% 90 11.7% 72 11.8% 18 11.3%
2001 1499 10.7% 160 20.8% 136 22.3% 24 15.1%
2002 1700 12.1% 116 15.1% 96 15.8% 20 12.6%
2003 1130 8.1% 71 9.2% 62 10.2% 9 5.7%
2004 1102 7.9% 69 9.0% 58 9.5% 11 6.9%
2005 1248 8.9% 49 6.4% 45 7.4% 4 2.5%
2006 1047 7.5% 19 2.5% 15 2.5% 4 2.5%
2007 1442 10.3% 7 0.9% 6 1.0% 1 0.6%
2008 863 6.1% 2 0.3% 2 0.3% 0 0.0%

Total (cycle 23) 14 018 100.0% 768 100.0% 609 79.3% 159 20.7%

2009 746 4.6% 1 0.2% 1 0.0% 0 0.0%
2010 1117 6.9% 13 3.0% 13 3.1% 0 0.0%
2011 1990 12.4% 72 16.5% 68 16.4% 4 20.0%
2012 2177 13.5% 71 16.3% 69 16.6% 2 10.0%
2013 2338 14.5% 73 16.9% 72 17.3% 1 5.0%
2014 2478 15.4% 110 25.3% 102 24.6% 8 40.0%
2015 2058 12.8% 54 12.4% 51 12.9% 3 15.0%
2016 1393 8.7% 15 3.4% 15 3.6% 0 0.0%
2017 786 4.9 18 4.1% 6 4.1% 1 5.0%
2018 476 2.9% 2 0.5% 2 0.5% 0 0.0%
2019 543 3.4% 6 1.4% 1 1.2% 1 5.0%

Total (cycle 24) 16 107 100.0% 435 100.0% 415 95.4% 20 4.6%

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