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 623 56.2%
2 United States 183 16.5%
3 Netherlands 97 8.8%
4 France 52 4.7%
5 Germany 52 4.7%
6 Canada 23 2.1%
7 Korea, Republic of 15 1.4%
8 Russia 14 1.3%
9 United Kingdom 8 0.7%
10 Singapore 7 0.6%
11 Japan 7 0.6%
12 Ireland 7 0.6%
13 Hong Kong 7 0.6%
14 India 4 0.4%
15 Taiwan 2 0.2%
16 Ukraine 2 0.2%
17 Norway 2 0.2%
18 Philippines 1 0.1%
19 Mauritius 1 0.1%
20 Israel 1 0.1%