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 United States 81 39.9%
2 Netherlands 40 19.7%
3 Germany 15 7.4%
4 China 14 6.9%
5 Mexico 13 6.4%
6 France 9 4.4%
7 Russia 5 2.5%
8 Brazil 4 2%
9 Hong Kong 3 1.5%
10 Hungary 3 1.5%
11 India 3 1.5%
12 Japan 3 1.5%
13 Australia 2 1%
14 Syrian Arab Republic 2 1%
15 Italy 2 1%
16 Canada 1 0.5%
17 Philippines 1 0.5%
18 Korea, Republic of 1 0.5%
19 Luxembourg 1 0.5%