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 372 48.8%
2 United States 201 26.3%
3 Germany 69 9%
4 Netherlands 65 8.5%
5 Canada 16 2.1%
6 United Kingdom 7 0.9%
7 France 6 0.8%
8 Singapore 4 0.5%
9 Hong Kong 4 0.5%
10 Korea, Republic of 3 0.4%
11 Macao 3 0.4%
12 India 2 0.3%
13 Israel 2 0.3%
14 Japan 2 0.3%
15 Austria 2 0.3%
16 Czech Republic 1 0.1%
17 Finland 1 0.1%
18 Mauritius 1 0.1%
19 Russia 1 0.1%
20 Turkey 1 0.1%