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 58 40.6%
2 United States 32 22.4%
3 Germany 15 10.5%
4 Netherlands 12 8.4%
5 Hong Kong 9 6.3%
6 United Kingdom 5 3.5%
7 Canada 4 2.8%
8 Australia 2 1.4%
9 Taiwan 2 1.4%
10 Portugal 1 0.7%
11 Russia 1 0.7%
12 Macao 1 0.7%
13 Malaysia 1 0.7%