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 352 47.1%
2 United States 139 18.6%
3 Netherlands 121 16.2%
4 Germany 71 9.5%
5 Canada 13 1.7%
6 Norway 6 0.8%
7 Russia 6 0.8%
8 United Kingdom 6 0.8%
9 France 5 0.7%
10 Singapore 4 0.5%
11 India 4 0.5%
12 Macao 4 0.5%
13 Japan 3 0.4%
14 Korea, Republic of 3 0.4%
15 Hong Kong 3 0.4%
16 Finland 2 0.3%
17 Albania 2 0.3%
18 Australia 2 0.3%
19 1 0.1%
20 Estonia 1 0.1%