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 72 37.1%
2 United States 29 14.9%
3 Taiwan 23 11.9%
4 Netherlands 22 11.3%
5 France 20 10.3%
6 Korea, Republic of 8 4.1%
7 Germany 6 3.1%
8 Russia 4 2.1%
9 Hong Kong 3 1.5%
10 Czech Republic 2 1%
11 Macao 1 0.5%
12 Mauritius 1 0.5%
13 India 1 0.5%
14 Ukraine 1 0.5%
15 Australia 1 0.5%