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 428 49.2%
2 United States 180 20.7%
3 Netherlands 158 18.2%
4 Germany 49 5.6%
5 Canada 11 1.3%
6 Russia 9 1%
7 India 6 0.7%
8 France 5 0.6%
9 Ukraine 4 0.5%
10 United Kingdom 3 0.3%
11 Singapore 3 0.3%
12 Hong Kong 3 0.3%
13 3 0.3%
14 Brazil 2 0.2%
15 Thailand 2 0.2%
16 Ireland 2 0.2%
17 Japan 1 0.1%
18 Armenia 1 0.1%