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 157 41.2%
2 United States 95 24.9%
3 Germany 43 11.3%
4 United Kingdom 31 8.1%
5 Netherlands 12 3.1%
6 Malaysia 10 2.6%
7 Lao People's Democratic Republic 6 1.6%
8 Spain 4 1%
9 Taiwan 4 1%
10 Hong Kong 4 1%
11 Canada 4 1%
12 Australia 3 0.8%
13 United Arab Emirates 3 0.8%
14 Saudi Arabia 2 0.5%
15 France 1 0.3%
16 Kazakhstan 1 0.3%
17 Moldova, Republic of 1 0.3%