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 1513 85%
2 United States 139 7.8%
3 Germany 36 2%
4 Hong Kong 26 1.5%
5 Canada 23 1.3%
6 Taiwan 10 0.6%
7 Russia 7 0.4%
8 Singapore 6 0.3%
9 Korea, Republic of 4 0.2%
10 Macao 3 0.2%
11 India 2 0.1%
12 Japan 2 0.1%
13 Netherlands 2 0.1%
14 Nigeria 2 0.1%
15 United Kingdom 1 0.1%
16 Mexico 1 0.1%
17 Ghana 1 0.1%
18 Armenia 1 0.1%
19 Brazil 1 0.1%