That's an interesting picture. I took those numbers and compared them to Wikipedia's purchasing-power adjusted average wage figures for 2017 at https://en.wikipedia.org/wiki/List_of_countries_by_average_w.... Here are the results sorted by ratio of average developer salary to average salary in each country. You get the best bang for your buck in .il and .fr doesn't (quite) get the wooden spoon.
Country Ratio dev:avg
Netherlands 0.851031639465174
France 0.891326705519369
Canada 0.944941413632355
Finland 1.00083791080905
Australia 1.01779098644302
Germany 1.05075128717033
New Zealand 1.07384561596284
UK 1.18906064209275
Sweden 1.29738400207581
Norway 1.3082871202062
Switzerland 1.31657113498065
Denmark 1.34069094159251
USA 1.48617853958189
Israel 1.85359454758035