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 United States 615 49%
2 China 327 26.1%
3 Netherlands 110 8.8%
4 Germany 77 6.1%
5 Canada 21 1.7%
6 Hong Kong 20 1.6%
7 Korea, Republic of 17 1.4%
8 France 14 1.1%
9 Brazil 10 0.8%
10 Sweden 10 0.8%
11 Cote D'ivoire 8 0.6%
12 Switzerland 6 0.5%
13 United Kingdom 6 0.5%
14 Norway 4 0.3%
15 India 3 0.2%
16 Finland 2 0.2%
17 Denmark 1 0.1%
18 Romania 1 0.1%
19 Russia 1 0.1%
20 Slovenia 1 0.1%
21 Taiwan 1 0.1%