Background/aims To estimate 2015 global ophthalmologist data and analyse their relationship to income groups, prevalence rates of blindness and visual impairment and gross domestic product (GDP) per ...

The Hot 100 is the United States’ main singles chart, compiled by Billboard magazine based on sales, airplay and streams in the US. View the full Hot 100 here.

Please note, the data displayed for this chart reflects the title's midweek position only, peak positions on this chart also relate to midweek chart positions. Official Albums Chart Update data ...