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 230 48.9%
2 United States 147 31.3%
3 Germany 28 6%
4 Canada 13 2.8%
5 Russia 8 1.7%
6 Taiwan 7 1.5%
7 Hong Kong 6 1.3%
8 Singapore 4 0.9%
9 Netherlands 4 0.9%
10 Tunisia 4 0.9%
11 Thailand 3 0.6%
12 Lao People's Democratic Republic 3 0.6%
13 Malaysia 2 0.4%
14 Sweden 2 0.4%
15 India 2 0.4%
16 Cambodia 2 0.4%
17 France 1 0.2%
18 Japan 1 0.2%
19 Switzerland 1 0.2%
20 Serbia 1 0.2%
21 Turkey 1 0.2%