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 488 55.1%
2 United States 141 15.9%
3 Netherlands 94 10.6%
4 France 53 6%
5 Germany 48 5.4%
6 Canada 17 1.9%
7 Hong Kong 8 0.9%
8 Ireland 7 0.8%
9 Korea, Republic of 7 0.8%
10 Ukraine 5 0.6%
11 India 4 0.5%
12 Taiwan 3 0.3%
13 Singapore 2 0.2%
14 Austria 2 0.2%
15 Belarus 2 0.2%
16 Brazil 2 0.2%
17 Estonia 1 0.1%
18 Romania 1 0.1%