 Total Patents | | 1 569.7 | 1 754.7 | 1 755.1 | 1 771.9 | 1 899.4 | 2 043.4 | 2 089.7 | 2 059.4 | 2 018.1 | 1 840.4 | 1 852.9 | 1 744.3 | 1 789.3 | 1 737.8 | 1 798.5 | 1 837.6 | 1 897.7 | 1 933.9 | 1 828.3 | .. | .. |
| Total Patents | Selected environment-related technologies | | 109.7 | 136.6 | 146.3 | 169.5 | 171.6 | 213.2 | 200.9 | 200.4 | 217.5 | 222.8 | 234.0 | 238.7 | 221.0 | 201.2 | 202.1 | 177.4 | 186.0 | 177.9 | 107.0 | .. | .. |
| Selected environment-related technologies | Climate change mitigation technologies related to buildings | | 7.0 | 5.0 | 6.7 | 12.5 | 15.0 | 15.8 | 19.2 | 15.0 | 22.3 | 17.8 | 13.6 | 17.5 | 17.3 | 31.7 | 22.3 | 24.5 | 18.0 | 13.9 | 0.0 | .. | .. |
| Climate change mitigation technologies related to energy generation, transmission or distribution | | 20.0 | 19.3 | 29.5 | 29.7 | 42.2 | 44.1 | 45.4 | 40.4 | 69.3 | 81.7 | 81.0 | 88.7 | 74.2 | 61.9 | 63.5 | 62.7 | 53.1 | 44.6 | 12.5 | .. | .. |
| Capture, storage, sequestration or disposal of greenhouse gases | | 0.0 | 0.0 | 1.1 | 2.0 | 1.5 | 0.0 | 7.0 | 5.0 | 10.6 | 10.0 | 14.5 | 11.3 | 4.6 | 7.2 | 10.4 | 2.0 | 7.9 | 4.5 | 0.0 | .. | .. |
| Environmental management | | 53.7 | 77.9 | 68.5 | 78.9 | 70.3 | 103.2 | 97.4 | 90.8 | 83.8 | 74.5 | 112.2 | 96.2 | 92.5 | 72.1 | 70.2 | 62.9 | 62.3 | 87.5 | 78.5 | .. | .. |
| Climate change mitigation technologies related to transportation | | 16.0 | 21.0 | 20.0 | 19.8 | 16.2 | 19.3 | 22.6 | 18.3 | 16.0 | 12.7 | 19.6 | 21.0 | 18.2 | 20.7 | 14.0 | 15.5 | 14.8 | 10.0 | 2.0 | .. | .. |
| Water-related adaptation technologies | | 7.8 | 4.0 | 11.0 | 12.0 | 15.8 | 13.7 | 13.7 | 28.3 | 23.3 | 20.5 | 14.0 | 8.5 | 14.0 | 16.0 | 14.1 | 22.0 | 17.3 | 14.0 | 14.0 | .. | .. |
| Climate change mitigation technologies in the production or processing of goods | | 21.6 | 28.1 | 27.3 | 41.7 | 36.9 | 37.9 | 32.1 | 55.5 | 47.8 | 48.8 | 35.3 | 43.1 | 59.1 | 28.1 | 43.7 | 32.2 | 46.9 | 35.8 | 13.0 | .. | .. |
| Climate change mitigation technologies related to wastewater treatment or waste management | | 15.5 | 19.9 | 21.3 | 24.6 | 24.6 | 28.2 | 23.3 | 18.2 | 14.0 | 21.0 | 17.3 | 14.8 | 24.6 | 16.4 | 19.2 | 14.3 | 13.6 | 20.8 | 4.0 | .. | .. |