Coronal Holes in Global Complexes of Activity

Table 2

	First period: rotations 1954–1974 (Sept. 1999–Dec. 2001)		Second period: rotations 1997–2010 (Nov. 2002–Dec. 2003)
	All AR	AR near CH	All AR	AR near CH
Total area	41804	24462 (63.3%)	21034	17049 (81.1%)
Total number of ARs	284	186 (65.5%)	147	111 (75.5%)