BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 239 41%
2 China 147 25.2%
3 Netherlands 88 15.1%
4 Germany 34 5.8%
5 France 22 3.8%
6 Canada 15 2.6%
7 Hong Kong 13 2.2%
8 Portugal 7 1.2%
9 Korea, Republic of 5 0.9%
10 4 0.7%
11 Thailand 3 0.5%
12 Romania 2 0.3%
13 Taiwan 1 0.2%
14 Australia 1 0.2%
15 Brazil 1 0.2%
16 Viet Nam 1 0.2%