Table 1.

Numbers of participating hospitals and tested isolates in the China Antimicrobial Surveillance Network (CHINET) from 2005 to 2019.

Year	No. of hospitals	Tested isolates
		Total	A. baumannii	K. pneumoniae	P. aeruginosa
2005	8	22,774	2095	2234	2323
2006	9	33,945	2968	3452	4752
2007	12	36,001	3157	3037	3988
2008	12	36,216	3625	3435	4130
2009	14	43,670	4796	4556	4912
2010	14	47,850	5523	5529	5080
2011	15	59,287	6723	6981	6012
2012	15	72,397	8739	9621	7271
2013	16	84,572	10,120	12,121	8257
2014	17	78,955	8769	11,308	7471
2015	20	88,778	8875	11,532	7700
2016	30	153,059	14,930	19,611	13,254
2017	34	190,610	17,602	26,268	16,562
2018	44	244,843	21,813	21,805	23,431
2019	49	270,497	23,534	39,379	23,607