Table 3. 
Statistics related to the national subnetworks in the 2000–2009 period
Country# nodes# nodes ≥ 250 patentsAverage closeness between nodes ≥ 250 patents
Austria 35 13 328.29 
Belgium 44 12 967.63 
Denmark 11 9 1,063.58 
Finland 19 5 1,152.65 
France 101 41 1,049.89 
Germany 402 161 1,611.08 
Greece 52 0 / 
Ireland 8 4 341.95 
Italy 110 38 418.95 
Luxembourg 1 1 / 
Netherlands 40 20 878.54 
Portugal 25 1 / 
Spain 59 8 249.71 
Sweden 21 11 525.56 
UK 139 43 597.95 
United States 3,144 171 1,953.46 
EU 1,067 367 1,100.22 
Country# nodes# nodes ≥ 250 patentsAverage closeness between nodes ≥ 250 patents
Austria 35 13 328.29 
Belgium 44 12 967.63 
Denmark 11 9 1,063.58 
Finland 19 5 1,152.65 
France 101 41 1,049.89 
Germany 402 161 1,611.08 
Greece 52 0 / 
Ireland 8 4 341.95 
Italy 110 38 418.95 
Luxembourg 1 1 / 
Netherlands 40 20 878.54 
Portugal 25 1 / 
Spain 59 8 249.71 
Sweden 21 11 525.56 
UK 139 43 597.95 
United States 3,144 171 1,953.46 
EU 1,067 367 1,100.22 
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