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 560 55.4%
2 United States 215 21.3%
3 Germany 75 7.4%
4 Netherlands 73 7.2%
5 France 26 2.6%
6 Canada 22 2.2%
7 Russia 7 0.7%
8 Hong Kong 6 0.6%
9 India 6 0.6%
10 Belarus 4 0.4%
11 Colombia 4 0.4%
12 Italy 4 0.4%
13 Romania 2 0.2%
14 Bahrain 2 0.2%
15 Ireland 2 0.2%
16 Australia 1 0.1%
17 Japan 1 0.1%