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 40 29.9%
2 United States 31 23.1%
3 Germany 20 14.9%
4 Netherlands 13 9.7%
5 France 8 6%
6 Algeria 7 5.2%
7 Hong Kong 5 3.7%
8 Japan 3 2.2%
9 Canada 2 1.5%
10 Taiwan 1 0.7%
11 Macao 1 0.7%
12 Malaysia 1 0.7%
13 Australia 1 0.7%
14 Congo, The Democratic Republic of The 1 0.7%