This Week's Chart By Numbers (22nd March 2015)

1. 12 - Collaborations

So it looks like collaborations are flavour of the week again! There were a total of twelve including the new fan favourite 'Trouble' by Jennifer Hudson and Iggy Azalea.

2. 10 - New Entries

Wow! This is the first time since 2013 since we have had so many new entries. Back then Ellie Goulding was top with 'How Long Will I Love You'. One of the highest of the new tunes including 'So Freakin' Tight' by Tough Love.

3. 4 - Number Ones

In the last four weeks we have had four brand new No.1 singles. Years & Years' 'King', Flo Rida's 'GDFR', Sam Smith's 'Lay Me Down' and now Jess Glynne with 'Hold My Hand'.

4. 10 - Weeks In The Chart

Sia's 'Elastic Heart' and Avicii's 'The Nights' both joined the double digit club this weekend notching up an impressive ten weeks in the chart each.

Clean Bandit Jess Glynne Real Love Video

5. 4 - Times Jess Glynne Has Been No.1

Although this is Jess' first ever solo No.1, she has also been top of the pile three other times, twice with Clean Bandit and once with Route 94.

6. 8 - Most Places A Song Dropped This Weekend

Alex Adair's very early Summer anthem dropped down to No.34 however that doesn't stop us from dancing EVERY time this tune comes on the radio.

7. 2 - Songs That Have Been In The Chart For More Than Half A Year

Only Taylor Swift's 'Shake It Off' and Ed Sheeran's 'Thinking Out Loud' have notched up more than half a year's worth of appearances in the Vodafone Big Top 40.

8. 0 - Number Of Days Uptown Funk Has Spent Outside The Top 10

Mark and Bruno's record breaking hit hasn't left the top ten since it's rush release just before Christmas.

9. 1 - Years Worth Of Chart Appearances

Taylor Swift's three tracks 'Shake It Off', 'Style' and 'Blank Space' have a combined chart appearance count of 56 weeks, that's over an entire year and more!

10. 4 - Highest Climb This Weekend

On the eve of his debut album's release, James Bay's 'Hold Back The River' climbed the most places this week from No.8 to No.4.