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 213 55.6%
2 United States 51 13.3%
3 Germany 32 8.4%
4 Spain 31 8.1%
5 Canada 15 3.9%
6 Netherlands 9 2.3%
7 Taiwan 5 1.3%
8 Italy 4 1%
9 Saudi Arabia 3 0.8%
10 Singapore 3 0.8%
11 United Kingdom 3 0.8%
12 Colombia 3 0.8%
13 Denmark 2 0.5%
14 Australia 2 0.5%
15 India 2 0.5%
16 Turkey 2 0.5%
17 Moldova, Republic of 1 0.3%
18 Israel 1 0.3%
19 Finland 1 0.3%