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 588 54.6%
2 Netherlands 164 15.2%
3 United States 158 14.7%
4 Germany 58 5.4%
5 Taiwan 37 3.4%
6 France 31 2.9%
7 Canada 23 2.1%
8 Hong Kong 8 0.7%
9 Japan 3 0.3%
10 Malaysia 3 0.3%
11 South Africa 2 0.2%
12 Moldova, Republic of 1 0.1%
13 Australia 1 0.1%