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 174 45.1%
2 United States 97 25.1%
3 Germany 31 8%
4 Canada 15 3.9%
5 Hong Kong 13 3.4%
6 India 11 2.8%
7 Singapore 10 2.6%
8 Russia 7 1.8%
9 United Kingdom 5 1.3%
10 Malaysia 4 1%
11 Australia 4 1%
12 Trinidad and Tobago 3 0.8%
13 Switzerland 2 0.5%
14 Thailand 2 0.5%
15 Netherlands 2 0.5%
16 Italy 2 0.5%
17 Korea, Republic of 1 0.3%
18 Czech Republic 1 0.3%
19 France 1 0.3%
20 Sri Lanka 1 0.3%