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 235 60.4%
2 United States 77 19.8%
3 Germany 29 7.5%
4 Hong Kong 14 3.6%
5 United Kingdom 7 1.8%
6 Indonesia 4 1%
7 Korea, Republic of 3 0.8%
8 Ukraine 3 0.8%
9 Saudi Arabia 3 0.8%
10 Singapore 2 0.5%
11 Mexico 2 0.5%
12 Russia 2 0.5%
13 Denmark 2 0.5%
14 Japan 2 0.5%
15 Macao 1 0.3%
16 Moldova, Republic of 1 0.3%
17 Netherlands 1 0.3%
18 Turkey 1 0.3%