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 China 156 60.2%
2 United States 72 27.8%
3 Germany 7 2.7%
4 Hong Kong 7 2.7%
5 France 4 1.5%
6 Taiwan 4 1.5%
7 Singapore 2 0.8%
8 Japan 2 0.8%
9 Korea, Republic of 2 0.8%
10 Macao 1 0.4%
11 Portugal 1 0.4%
12 Australia 1 0.4%