BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 17 20.5%
2 United States 17 20.5%
3 Canada 14 16.9%
4 Germany 7 8.4%
5 Australia 5 6%
6 Malaysia 4 4.8%
7 Singapore 3 3.6%
8 Switzerland 2 2.4%
9 Japan 2 2.4%
10 Korea, Republic of 2 2.4%
11 Macao 2 2.4%
12 Netherlands 2 2.4%
13 New Zealand 2 2.4%
14 Russia 2 2.4%
15 Hong Kong 1 1.2%
16 Taiwan 1 1.2%