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 229 59%
2 United States 71 18.3%
3 Germany 33 8.5%
4 Canada 15 3.9%
5 Macao 10 2.6%
6 Hong Kong 9 2.3%
7 Chile 3 0.8%
8 Korea, Republic of 3 0.8%
9 Brazil 2 0.5%
10 Mauritius 2 0.5%
11 Taiwan 2 0.5%
12 Ukraine 2 0.5%
13 Romania 2 0.5%
14 Russia 1 0.3%
15 Singapore 1 0.3%
16 Sweden 1 0.3%
17 Nigeria 1 0.3%
18 Japan 1 0.3%