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 United States 31 29.2%
2 Netherlands 21 19.8%
3 China 20 18.9%
4 Chile 10 9.4%
5 Taiwan 4 3.8%
6 Germany 3 2.8%
7 Korea, Republic of 3 2.8%
8 Australia 2 1.9%
9 Colombia 2 1.9%
10 France 2 1.9%
11 United Arab Emirates 2 1.9%
12 United Kingdom 2 1.9%
13 Ukraine 1 0.9%
14 Singapore 1 0.9%
15 Moldova, Republic of 1 0.9%
16 Iran, Islamic Republic of 1 0.9%