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 38 27.7%
2 United States 38 27.7%
3 Germany 13 9.5%
4 Netherlands 12 8.8%
5 France 11 8%
6 Malaysia 6 4.4%
7 Canada 4 2.9%
8 Japan 3 2.2%
9 Macao 3 2.2%
10 Hong Kong 2 1.5%
11 Australia 2 1.5%
12 Ukraine 2 1.5%
13 Norway 1 0.7%
14 Singapore 1 0.7%
15 Czech Republic 1 0.7%