Table 2. Descriptive statistics.

Variable	Description	Minimum	Maximum	Mean	Median	Standard deviation
IT	IT capital	798.9	4,055.6	1,957.6	1,714.6	937.8
NIT	Non-IT capital	33,060.8	44,282.7	38,478.0	37,905.0	3,211.0
W	Number of workers	110,715	136,269	119,892	117,880	7.655.9
VA	Value added	11,426.9	20,092.9	15,272.1	14,635.0	2,491.4
PIT	IT capital per worker	7.1	29.8	16.0	15.2	6.7
PNIT	Non-IT capital per worker	294.5	345.5	320.7	320.4	13.2
PVA	Value added per worker	101.8	148.7	126.7	129.9	13.6
GIT	Growth rate of IT capital (%)	4.2	11.4	7.2	6.6	1.8
GNIT	Growth rate of non-IT capital (%)	−0.1	2.2	1.3	1.2	0.6
GW	Growth rate of number of workers (%)	−6.6	4.6	0.9	1.7	2.5
GVA	Growth rate of value added (%)	−3.0	6.8	2.5	2.8	2.1
GPIT	Growth rate of IT capital per worker (%)	3.4	15.0	6.3	6.0	2.9
GPNIT	Growth rate of non-IT capital per worker (%)	−2.8	8.2	0.4	−0.1	2.3
GPVA	Growth rate of value added per worker (%)	−1.9	4.6	1.6	1.3	1.4

The unit for capital (IT, NIT) and value added is 2017 US billion dollars, the unit for capital per worker (PIT, PNIT) and value added per worker is 2017 US thousand dollars, and the unit for number of workers is thousand. N=25.