I used "by" with the past perfect had risen to give the idea that the increase had happened in the years leading up to 2007.
Trang 1IELTS Writing Task 1: 'in' and 'by' with dates
Look at the following description:
In 2002, the cost of an average house in the UK was around £130,000 By 2007, the average house price had risen to almost £190,000, but it fell back to just under
£150,000 in 2008
Notice the verbs used with " in" and " by" :
I used "in" with the past simple (was, fell)
I used "by" with the past perfect (had risen) to give the idea that the increase had happened in the years leading up to 2007
To avoid worrying about "by + past perfect" you could write: "Between 2002 and
2007, the average house price rose to "