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 298 49.5%
2 United States 120 19.9%
3 Netherlands 92 15.3%
4 Germany 41 6.8%
5 Canada 14 2.3%
6 Malaysia 6 1%
7 France 6 1%
8 Taiwan 5 0.8%
9 Italy 4 0.7%
10 Hong Kong 3 0.5%
11 Russia 3 0.5%
12 Singapore 2 0.3%
13 United Kingdom 2 0.3%
14 Japan 2 0.3%
15 Lao People's Democratic Republic 2 0.3%
16 Ireland 1 0.2%
17 New Zealand 1 0.2%