BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 100 36.1%
2 Germany 87 31.4%
3 China 45 16.2%
4 France 16 5.8%
5 Korea, Republic of 8 2.9%
6 Russia 4 1.4%
7 Thailand 3 1.1%
8 Canada 3 1.1%
9 India 3 1.1%
10 Romania 2 0.7%
11 Switzerland 2 0.7%
12 Taiwan 1 0.4%
13 Sweden 1 0.4%
14 Turkey 1 0.4%
15 Hong Kong 1 0.4%