This is the 2902nd most frequent Spanish word.
subieron
"Subieron" means "they went up" or "they climbed."
In this sentence, 'subieron' indicates the action of going up or ascending a physical slope or mountain.
Ellos subieron la montaña lentamente.
They climbed the mountain slowly.
Here, 'subieron' is used metaphorically to describe the rise or increase of sales data over the period.
Las ventas subieron rápidamente este mes.
Sales increased rapidly this month.
In this case, 'subieron' means elevating or raising the value or amount of the rent we have to pay.