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 155 51.8%
2 United States 61 20.4%
3 Germany 26 8.7%
4 Australia 14 4.7%
5 Canada 7 2.3%
6 Netherlands 7 2.3%
7 Singapore 6 2%
8 Hong Kong 5 1.7%
9 Japan 5 1.7%
10 Taiwan 4 1.3%
11 Russia 2 0.7%
12 Malaysia 2 0.7%
13 Italy 2 0.7%
14 France 2 0.7%
15 Brazil 1 0.3%