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 595 63.5%
2 United States 146 15.6%
3 Netherlands 72 7.7%
4 Germany 51 5.4%
5 Hong Kong 20 2.1%
6 Canada 8 0.9%
7 Japan 7 0.7%
8 India 6 0.6%
9 Taiwan 5 0.5%
10 France 4 0.4%
11 Macao 3 0.3%
12 Singapore 3 0.3%
13 Turkey 3 0.3%
14 Sweden 2 0.2%
15 Switzerland 2 0.2%
16 Malaysia 2 0.2%
17 Korea, Republic of 2 0.2%
18 Czech Republic 2 0.2%
19 Ireland 1 0.1%
20 Romania 1 0.1%
21 Russia 1 0.1%
22 United Kingdom 1 0.1%