11. Income Tax

in thousands of EUR	2017	2016

Current income tax	120,606	111,307
Deferred income tax	- 19,551	-15,532
Charge in Income Statement	101,055	95,775

The reconciliation between the computed weighted average rate of income tax expense, which is generally applicable to GrandVision companies, and the actual rate of taxation is as follows:

in thousands of EUR	2017	%	2016	%

Result before tax	350,022	100.0%	347,728	100.0%
Computed weighted average tax rate	96,715	27.6%	94,639	27.2%
(Exempt income)/expenses not deductible for tax purposes	- 412	-0.1%	6,845	2.0%
Incentive tax credits	- 9,089	-2.6%	-8,911	-2.6%
Effect of (de)recognition of tax losses	23,651	6.8%	9,152	2.6%
Changes in tax rate	- 5,754	-1.6%	-7,122	-2.0%
(Over)/Under provided in prior years	- 4,056	-1.2%	1,172	0.3%
Tax charge	101,055	28.9%	95,775	27.5%

The weighted average applicable tax rate amounts to 27.6% (2016: 27.2%). The effective tax rate for the Group is 28.9% (2016: 27.5%).

The changes in tax rate in 2017 relate mainly to France, the United Kingdom and Colombia. The changes in tax rate in 2016 were mainly in France.