Statistics on Activities for the Protection of the Environment
Sampling errors
Sampling errors by period, type of expenditure and total industry.
Units: %

	Total industry	
INVESTMENT IN INDEPENDENT EQUIPMENT AND INSTALLATIONS	
    2021	2.80	
    2020	1.39	
    2019	1.66	
    2018	1.84	
    2017	4.09	
    2016	0.96	
    2015	2.37	
    2014	2.35	
    2013	2.58	
INVESTMENT IN INTEGRATED EQUIPMENT AND INSTALLATIONS	
    2021	2.90	
    2020	1.86	
    2019	1.93	
    2018	1.71	
    2017	1.68	
    2016	1.63	
    2015	2.03	
    2014	2.78	
    2013	2.26	
CURRENT EXPENDITURE	
    2021	1.06	
    2020	0.98	
    2019	0.99	
    2018	0.99	
    2017	1.10	
    2016	0.94	
    2015	1.12	
    2014	1.12	
    2013	1.15	
Notes:
Source: National Statistics Institute