Early numbers are in for infrastructure investment funds closing in first quarter 2016 — and it appears the only real straight-line trend is that fewer infrastructure funds are closing in the first quarter year-over-year, but those funds have gotten larger each year since 2014, as well as taking longer to reach a final close.

The amount of capital raised has bounced around, with only $8.6 billion raised by funds closing in the first quarter of 2014. Nearly double that amount — $17.0 billion — was raised by funds closing first quarter 2015, while 2016 shows a small slide to $16.1 billion in the first quarter.

During the past three years, the number of funds closing in the first quarter has steadily fallen, decreasing by one fund each year. Yet the average size of these funds has grown significantly. In 2014, the average fund held a final closing with just under $1 billion raised ($959 million). That size jumped exponentially to $2.1 billion in first quarter 2015 a