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 621 53.4%
2 United States 223 19.2%
3 Netherlands 100 8.6%
4 Germany 77 6.6%
5 France 53 4.6%
6 Canada 27 2.3%
7 Korea, Republic of 17 1.5%
8 Czech Republic 14 1.2%
9 Russia 6 0.5%
10 Taiwan 5 0.4%
11 Hong Kong 5 0.4%
12 India 5 0.4%
13 Ireland 4 0.3%
14 Switzerland 2 0.2%
15 Macao 2 0.2%
16 Moldova, Republic of 2 0.2%
17 Australia 1 0.1%