BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 537 50.3%
2 United States 218 20.4%
3 Netherlands 158 14.8%
4 Germany 62 5.8%
5 France 26 2.4%
6 Canada 25 2.3%
7 Sweden 13 1.2%
8 Korea, Republic of 7 0.7%
9 Hong Kong 5 0.5%
10 Russia 5 0.5%
11 Turkey 3 0.3%
12 Taiwan 2 0.2%
13 Spain 2 0.2%
14 Mexico 2 0.2%
15 India 1 0.1%
16 Chile 1 0.1%
17 Romania 1 0.1%