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 128 46.9%
2 China 112 41%
3 Netherlands 8 2.9%
4 Germany 8 2.9%
5 Hong Kong 5 1.8%
6 Japan 3 1.1%
7 Taiwan 3 1.1%
8 Korea, Republic of 2 0.7%
9 Portugal 1 0.4%
10 Czech Republic 1 0.4%
11 France 1 0.4%
12 Australia 1 0.4%