Table 2.

Number and percentage of bee samples and colonies in Serbia positive for Nosema spp. spores after light microscopic examination (1992–2017).

Year	Number of examined bee samples	Number of municipalities where the infection was detected	Number of infected apiaries	Number of positive bee samples	% of Nosema-positive bee colonies
1992	130	38	68	85	65.4
1993	107	34	34	34	31.8
1994	160	40	80	90	56.3
1995	127	7	34	38	29.9
1996	183	16	98	90	49.2
1997	140	21	57	62	44.3
1998	171	38	44	60	35.1
1999	217	24	76	93	42.9
2000	132	15	51	86	65.2
2001	176	18	45	60	34.1
2002	330	34	132	93	28.2
2003	337	8	42	155	46.0
2004	253	25	56	113	44.7
2005	384	16	58	157	40.9
2006	415	34	48	225	54.2
2007	719	25	78	230	32.0
2008	657	27	60	208	31.7
2009	245	21	41	148	60.4
2010	457	27	99	263	57.5
2011	504	21	66	242	48.0
2012	522	14	70	176	33.7
2013	355	12	17	51	14.4
2014	207	8	23	39	18.8
2015	148	8	29	39	26.4
2016	162	13	27	64	39.5
2017	148	10	11	45	30.4
Total	7386			2946