Loan spells can be a weird thing. Take Harry Kane for instance. In 4 loan spells between 2010 and 2013, his goalscoring ratios were as follows:
Leyton Orient: 18 appearances, 5 goals
Millwall: 27 appearances, 9 goals
Norwich: 5 appearances, 0 goals
Leicester: 15 appearances, 2 goals
Not really...