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 51 34.2%
2 China 35 23.5%
3 Germany 20 13.4%
4 Netherlands 19 12.8%
5 Brazil 6 4%
6 Colombia 4 2.7%
7 France 3 2%
8 United Kingdom 2 1.3%
9 Czech Republic 2 1.3%
10 Portugal 2 1.3%
11 Taiwan 1 0.7%
12 Turkey 1 0.7%
13 Australia 1 0.7%
14 India 1 0.7%
15 Korea, Republic of 1 0.7%