Overall, it can be seen that Organisation A and Organisation C have the same fluctuated trend in the given time and for Organisation B and Organisation D have an increasing trend and decreasing trend respectively. Notably, Organisation B was the largest contributor throughout the year and Organisation D was the least.
To begin with, in 2008, Organisation A was contributing in amounts of slightly higher than 0.5 billion dollars before it started to rise just under 1 billion in 2009 and started to recede to nearly 0.5 billion dollars in 2010 and 2011. Moreover, Organisation C was giving 1.5 billion monetary aid in 2008 and it started to rise slightly to around 1.7 billion in 2009. After a moderate decrease to under 1.5 billion in 2010, they increased the contribution level back to 2008 in 2011.
Meanwhile, Organisation B contributed in amounts of under 1.5 billion in 2008 before it started to rise slightly to 1.5 billion in 2009. After a significant increase to under 2.5 billion in 2010, it continued to elevate to slightly higher than 2.5 billion in 2011. On the contrary, in 2008, Organisation D was giving a contribution mildly above 0.5 billion before it started to recede to mildly under 0.5 billion in 2009. In 2010, it started to increase to 0.5 billion and started to fall significantly below 0.5 billion in 2011.