Table 1: Categories of CME large-scale source structures

Associa. large-scale source structures	CME number	percent
C1, EBRs	104	36%
C2, transequatorial magnetic loops	116	40%
C3, transequatorial filaments	37	13%
C4, filaments along the boundaries of EBRs	31	11%
Total earth-directed CMEs	288	100%