Table 1.

Total n in the sample per year, crude number of responses per year and response %. Total number of observations in the final sample per year, after exclusion of occupations with few respondents.

Year	Total N	Crude N	Response %	Final N
1997	14 053	12 886	92	12 720
1999	14 234	12 535	88	12 395
2001	14 402	12 878	89	12 721
2003	14 317	12 355	86	12 203
2005	15 562	13 538	87	13 357
2007	12 118	10 671	88	10 530
2009	11 045	9152	83	9058
2011	15 553	12 367	80	12 219
2013	9810	8110	83	8009
2015	8895	7336	82	7228
Total	129 989	111 828	86	110 440