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 501 75.8%
2 United States 64 9.7%
3 Germany 36 5.4%
4 Taiwan 14 2.1%
5 Canada 10 1.5%
6 Hong Kong 8 1.2%
7 Macao 7 1.1%
8 Iran, Islamic Republic of 4 0.6%
9 Korea, Republic of 3 0.5%
10 United Kingdom 3 0.5%
11 Romania 2 0.3%
12 Italy 2 0.3%
13 Japan 2 0.3%
14 France 1 0.2%
15 Russia 1 0.2%
16 Switzerland 1 0.2%
17 Norway 1 0.2%
18 Uzbekistan 1 0.2%