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 501 56.4%
2 Netherlands 148 16.7%
3 United States 131 14.8%
4 Germany 48 5.4%
5 Canada 16 1.8%
6 Russia 13 1.5%
7 France 4 0.5%
8 Australia 3 0.3%
9 India 3 0.3%
10 Japan 3 0.3%
11 United Kingdom 3 0.3%
12 Taiwan 2 0.2%
13 Singapore 2 0.2%
14 Mauritius 2 0.2%
15 Philippines 2 0.2%
16 Italy 2 0.2%
17 Hong Kong 2 0.2%
18 South Africa 1 0.1%
19 Korea, Republic of 1 0.1%
20 Norway 1 0.1%