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 41 35.3%
2 United States 32 27.6%
3 Germany 13 11.2%
4 Hong Kong 8 6.9%
5 Canada 5 4.3%
6 Taiwan 4 3.4%
7 Poland 4 3.4%
8 Korea, Republic of 2 1.7%
9 Malaysia 1 0.9%
10 Australia 1 0.9%
11 France 1 0.9%
12 Portugal 1 0.9%
13 Russia 1 0.9%
14 Singapore 1 0.9%
15 Ukraine 1 0.9%